QuantumZERO USB 3.0 4-Port 12V 2A Powered QZ-HB05 USB Hub  (Black)

The QuantumZERO� USB 3.0 4-Port 12V 2A Powered Hub expands USB connectivity of your laptop, desktop or tablet. With external power supply it ensures your devices receive enough power they need for uninterrupted operation. 4 USB 3.0 SuperSpeed ports support data transfer rates of up to 5Gbps (640MBps), saving your time. Product Features: Instant access to 4 USB 3.0 SuperSpeed ports. Compact design, sturdy built, smooth mirrored surface finish. VIA VL812 Rev B2 chipset with latest firmware for best performance and widest compatibility. Data transfer rate up to 5 Gbps (640MBps) (actual rates depend on device and computer USB host controller). External power supply ensures your devices receive enough power they need for uninterrupted operation. Built-in surge protector keep your devices safe. Backward compatible with USB 2.0 Hi-Speed devices (rates up to 480Mbps), and USB 1.1 Full/Low Speed devices (rates 12/1.5 Mbps). Blue LED lights indicate operation. Plug and play (individual devices / USB 3.0 host controller may require drivers), supports hot swap. Product Specifications: Product Name: USB 3.0 4-Port 12V 2A Powered Hub. Product Model: QZHB05. Chipset: VIA VL812 Rev B2. Output Interface: USB 3.0 Type B port. Input Interface: 4 USB 3.0 Type A ports. Dimensions: 117 x 157 x 60 mm. Weight: 120 g. System Supported: Windows10/8.1/8/7/Vista/XP/2000/Me/98, Mac OSx9.1/10.2 or above. Color: Black. Driver: No need, Plug and Play. Package Contents: QuantumZERO� USB 3.0 4-Port 12V 2A Powered Hub, 12V 2A Power Adapter, USB 3.0 Data Cable, Welcome Guide. Special Notes: To achieve the maximum output current of 3.4A at 900 mA, the hub must be powered by both the external power adapter and the computer turned on. To ensure a stable connection, the connected devices must not exceed a combined current of 3.4A. This is especially important for any devices with high power requirements such as �self-powered� hard drives which draw power from the USB port. Estimated power usge rating of some common devices for your ready reference � Portable hard disk (max 0.5A), USB 3.0 portable hard disk (max 0.9A), keyboard (max 0.5A), mouse (0.1A), camera (min 0.3A). 1A = 1000mA. Microsoft Windows systems should install latest manufacturer USB 3.0 host controller drivers and Windows Updates for best results. Apple Mac OS X and Linux / Unix systems require latest operating system updates for best compatibility. This hub is not a standalone charger. The hub would not charge an iPad tablet or any other device with non-standard charge requirements. It is not BC 1.1 / 1.2 compatible. 2.4Ghz wireless devices such as wireless keyboard/mouse receivers, Bluetooth and WiFi adapters may have frequency interference issues with USB 3.0 ports, may not work in close proximity to USB 3.0 devices or hubs. Connecting wireless devices to a USB 2.0 port is recommended.